[Feature Request] Use RSS Names

[notgod]

Request: Option to use an RSS item title as a download name.
Reason: In-torrent names often.require-[renaming]. More and more RSS providers use well-formatted item titles.

Difficulty: Easy, using existing functions.
Required time: 36 minutes.
Bloating level: Low, 1 checkbox.

[ironcross]

This feature request is submitted in launchpad.net:
https://bugs.launchpad.net/qbittorrent/+bug/923293